Drinking straw



FIG. 1 is a top-front perspective view of a drinking straw showing mynew design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7is a bottom-rear perspective view thereof.

CLAIM The ornamental design for a drinking straw, as shown anddescribed.